------- Comment #4 from paulthomas2 at wanadoo dot fr 2006-02-19 19:25 ------- Subject: Re: Dependency checking fails for equivalences
tobi, >------- Comment #3 from tobi at gcc dot gnu dot org 2006-02-19 18:56 ------- >I might be a little late, given that you already posted a patch which >completely fixes this issue ><http://gcc.gnu.org/ml/fortran/2006-02/msg00420.html>, but I thought of fixing >this back before we had the in_equivalence attribute, by simply assuming that >the RHS and the LHS are dependent if both are members of equivalences. I'm not >convinced that this pathological case is worth all the effort. Nevertheless >I'll review your patch during the next 48 hours. > > Thanks - I gave thought to the same fix. It has its advantages; like avoiding a quadratic term. However, it will cause temporaries to sprout, where none are necessary. The effort was not that great; similar code exists in match.c that I adapted. I could not quite see how to combine them into one function, though. Paul -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20938
